Home / 72,487.50-108,804.96-49,999.74

Finding the Fourth Proportional to 72,487.50, 108,804.96 and 49,999.74

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Solution

The fourth proportional to 72,487.50, 108,804.96 and 49,999.74 is: 75,050.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,487.50 : 108,804.96 = 49,999.74 : x
  2. Step 2: Convert to fraction form
    72,487.50/108,804.96 = 49,999.74/x
  3. Step 3: Cross multiply
    72,487.50x = 108,804.96 × 49,999.74
  4. Step 4: Simplify right side
    72,487.50x = 5,440,219,710.71
  5. Step 5: Solve for x
    x = 5,440,219,710.71/72,487.50
  6. Step 6: Final answer
    x = 75,050.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.